Multilayer hose
AssigneeVeritas AG
InventorMarc Van Hooren
Life of this patent
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Abstract
The present invention relates to a multilayer hose, especially for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, said inner layer comprising a fluorine-containing elastomer mixed with graphite.
Claims24
A multilayer hose, suitable for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, wherein
- the inner layer consists essentially of a fluorine-containing elastomer mixed with graphite.
A multilayer hose, suitable for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastometic inner layer, wherein
- the inner layer comprises a fluorine-containing elastomer mixed with graphite;
- and the fluorine-containing elastomer of said inner layer is a HFP/VDF/TFE terpolymer.
A multilayer hose, suitable for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, wherein
- the inner layer comprises a fluorine-containing elastomer mixed with graphite;
- the graphite is added to said fluorine-containing elastomer in the form of a graphite powder;
- and the graphite powder is a synthetic graphite.
A multilayer hose, suitable for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, wherein
- the inner layer comprises a fluorine-containing elastomer mixed with graphite;
- the graphite is added to said fluorine-containing elastomer in the form of a graphite powder;
- and the graphite powder has an average particle size of less than 4 μm.
A multilayer hose, suitable for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, wherein
- the inner layer comprises a fluorine-containing elastomer mixed with graphite;
- and the fluorine-containing elastomer contains 15-30 parts by weight of graphite per 100 parts by weight of polymer.
A multilayer hose, suitable for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, wherein
- the inner layer comprises a fluorine-containing elastomer mixed with graphite, and the inner layer does not contain carbon black.
Dependencies are inferred from the claim text.